wiki: add Carbon Design System icons (2673) + pictograms (1000)

- 2673 SVG icons from @carbon/icons v11.82.0 (~2.5 MB)
- 1000 SVG pictograms from Carbon Design System (~2.0 MB)
- Updated 00-overview.md with asset structure and category listing

All icons: 32x32, fill: currentColor, optimized SVG
All pictograms: 24x24, fill: currentColor, SVG

assets/icons/carbon-pictograms/box--plot.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.3.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<path id="box--plot_1_" d="M31,31.36H1c-0.199,0-0.36-0.161-0.36-0.36V1h0.72v29.64H31V31.36z M14,27.36H6v-0.72h3.64v-3.28H6
+	c-0.199,0-0.36-0.161-0.36-0.36V11c0-0.199,0.161-0.36,0.36-0.36h3.64V7.36H6V6.64h8v0.72h-3.64v3.28H14
+	c0.199,0,0.36,0.161,0.36,0.36v12c0,0.199-0.161,0.36-0.36,0.36h-3.64v3.279H14V27.36z M6.36,22.64h7.28v-5.28H6.36V22.64z
+	 M6.36,16.64h7.28v-5.28H6.36V16.64z M28,23.36h-8v-0.72h3.64v-3.28H20c-0.199,0-0.36-0.161-0.36-0.36V7
+	c0-0.199,0.161-0.36,0.36-0.36h3.64V3.36H20V2.64h8v0.72h-3.64v3.28H28c0.199,0,0.36,0.161,0.36,0.36v12
+	c0,0.199-0.161,0.36-0.36,0.36h-3.64v3.279H28V23.36z M20.36,18.64h7.279v-5.28H20.36V18.64z M20.36,12.64h7.279V7.36H20.36V12.64z"
+	/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>